Front-end engineer

Jack Knoell builds interfaces. And the systems behind them.

Interfaces

Seven products, shipped. Wealth management, transplant diagnostics, renewable energy, commerce, and a CarPlay app.

  1. Northern Trust

    Wealth management platformReact, Java, AEM, TypeScript

    Full-stack financial platform with 50+ reusable React components, Java backend integration, and AEM CMS.

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  2. CareDx

    Transplant healthcareNext.js, React, TypeScript, CMS

    Corporate website for a leading transplant healthcare company providing diagnostics, pharmacy services, and digital health platforms.

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  3. Vanguard Renewables

    Renewable energyNext.js, GraphQL, DatoCMS, SCSS

    High-performance corporate website achieving perfect 100% Lighthouse score with optimized GraphQL data layer.

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  4. Edenspiekermann

    Design agencyNext.js, DatoCMS, GraphQL Codegen, Framer Motion

    Agency portfolio and marketing website with sub-second global TTFB and zero runtime errors.

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  5. EyePromise

    Direct-to-consumer commerceShopify, Liquid, JavaScript, Custom apps

    E-commerce platform for a science-backed eye health company offering supplements and topical products.

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  6. Selby Lane

    Private equityReact, TypeScript, Node.js, AWS Lambda

    Secure financial services client dashboard with JWT authentication and comprehensive portfolio management.

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  7. Drive Stories

    iOS / CarPlayReact Native, CarPlay, OpenAI, Cloudflare Workers

    Mobile-first React Native application with CarPlay/Android Auto integration and OpenAI-driven backend services.

    App Store

Systems

One person across the stack.

Interfaces, content models, and the APIs underneath.

  • Languages TypeScript, JavaScript, SQL, Liquid
  • Frameworks React, Next.js, React Native, Node.js
  • Styling Tailwind, Sass, CSS, Figma
  • Data GraphQL, Contentful, DatoCMS, AEM, MongoDB
  • Testing Vitest, Storybook, GitHub Actions
  • Platform Vercel, Cloudflare Workers, Shopify

Open to new projects.

Tell me what you are building.

Based in
Irvine, California